# serviceProviderRegistryCallHandler

> **serviceProviderRegistryCallHandler**(`data`, `value`, `from`, `options`): `` `0x${string}` ``

Defined in: [packages/synapse-core/src/mocks/jsonrpc/service-registry.ts:257](https://github.com/FilOzone/synapse-sdk/blob/ccd1546626324814f05a7401da066d4361eb8bda/packages/synapse-core/src/mocks/jsonrpc/service-registry.ts#L257)

Handle service provider registry calls

## Parameters

| Parameter | Type |
| ------ | ------ |
| `data` | `` `0x${string}` `` |
| `value` | `` `0x${string}` `` |
| `from` | `` `0x${string}` `` |
| `options` | [`JSONRPCOptions`](/reference/filoz/synapse-core/mocks/interfaces/jsonrpcoptions/) |

## Returns

`` `0x${string}` ``